function processKeywords()

in src/site/assets/highlight.js-11.2.0/highlight.js [1725:1763]
34 lines of code
9 McCabe index (conditional complexity)

        function processKeywords() {
          if (!top.keywords) {
            emitter.addText(modeBuffer);
            return;
          }

          let lastIndex = 0;
          top.keywordPatternRe.lastIndex = 0;
          let match = top.keywordPatternRe.exec(modeBuffer);
          let buf = "";

          while (match) {
            buf += modeBuffer.substring(lastIndex, match.index);
            const word = language.case_insensitive ? match[0].toLowerCase() : match[0];
            const data = keywordData(top, word);
            if (data) {
              const [kind, keywordRelevance] = data;
              emitter.addText(buf);
              buf = "";

              keywordHits[word] = (keywordHits[word] || 0) + 1;
              if (keywordHits[word] <= MAX_KEYWORD_HITS) relevance += keywordRelevance;
              if (kind.startsWith("_")) {
                // _ implied for relevance only, do not highlight
                // by applying a class name
                buf += match[0];
              } else {
                const cssClass = language.classNameAliases[kind] || kind;
                emitter.addKeyword(match[0], cssClass);
              }
            } else {
              buf += match[0];
            }
            lastIndex = top.keywordPatternRe.lastIndex;
            match = top.keywordPatternRe.exec(modeBuffer);
          }
          buf += modeBuffer.substr(lastIndex);
          emitter.addText(buf);
        }